Pith Number

pith:UYCY2H2G

pith:2005:UYCY2H2GV2GLXMJAFXITWXDRNW

not attested not anchored not stored refs pending

The succinctness of first-order logic on linear orders

Martin Grohe, Nicole Schweikardt

arxiv:cs/0502047 v3 · 2005-02-09 · cs.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UYCY2H2GV2GLXMJAFXITWXDRNW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:53:03.531512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6058d1f46ae8cbbb1202dd13b5c716db395fbf1a685a61f3f6fd232651d56bb

Aliases

arxiv: cs/0502047 · arxiv_version: cs/0502047v3 · doi: 10.48550/arxiv.cs/0502047 · pith_short_12: UYCY2H2GV2GL · pith_short_16: UYCY2H2GV2GLXMJA · pith_short_8: UYCY2H2G

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UYCY2H2GV2GLXMJAFXITWXDRNW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a6058d1f46ae8cbbb1202dd13b5c716db395fbf1a685a61f3f6fd232651d56bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10831a0f080074a4bb3a2352d0d688eff1bc74f435a98c478f4aca9d5f5c76de",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "2005-02-09T11:00:12Z",
    "title_canon_sha256": "c4a9043ced14b51788bdcc9d9a2476241b42acc31a8af98836f174e6b6016341"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0502047",
    "kind": "arxiv",
    "version": 3
  }
}